Dorchester to Chicago time converter

Chicago is 1 hour behind Dorchester. When it is 9:00 AM in Dorchester, it is 8:00 AM in Chicago.

Dorchester EDT

Monday, October 19, 2026

Chicago CDT

Monday, October 19, 2026

Dorchester
Massachusetts, United States
Mon, Oct 19
EDTUTC-4
Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Dorchester to Chicago conversion table

Every hour of today in Dorchester and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

DorchesterChicago
12:00 AM11:00 PM−1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Dorchester (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Dorchester and Chicago switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 19, 2027: -1h

Distance

Dorchester and Chicago are 1,367 km (849 miles) apart in a straight line.

More conversions

Chicago to DorchesterDorchester to New YorkDorchester to LondonDorchester to Los AngelesDorchester to TorontoDorchester to São PauloDorchester to ParisDorchester to BerlinDorchester to MoscowDorchester to DubaiDorchester to New DelhiDorchester to BangkokDorchester to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Dorchester and Chicago?

Chicago is 1 hour behind Dorchester.

What time is it in Chicago when it is 9 AM in Dorchester?

When it is 9:00 AM in Dorchester, it is 8:00 AM in Chicago.

When is the best time to call Chicago from Dorchester?

Both sides are at work from 10:00 AM – 6:00 PM in Dorchester (9:00 AM – 5:00 PM in Chicago).

Does the time difference between Dorchester and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.